MetaSelect | R Documentation |
Find column names from associated metadata.
MetaSelect(meta, cols, M = NULL)
meta |
data.frame. |
cols |
list. |
M |
not implemented. |
MetaSelect
returns a list
.
meta <- data.frame(
x = gl(2, 4, 8, labels = LETTERS[1:2]),
y = gl(2, 2, 8, labels = LETTERS[1:2]),
z = gl(2, 1, 8, labels = LETTERS[1:2])
)
rownames(meta) <- apply(meta, 1, paste, collapse = "")
MetaSelect(meta, cols = list(y == "A"))
MetaSelect(meta, cols = list(x == "A" & z == "A"))
MetaSelect(meta, cols = list(x == "A" | z == "A"))
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